H01H 1/021
Composite material
H01H1/021 (Composite material) appears on 615 US grants and 343 published applications in this corpus.
Search patents in H01H- Granted patents
- 615
- Published applications
- 343
- Assignees
- 328
- Inventors
- 1,268
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 26 | 0 |
| 1977 | 13 | 0 |
| 1978 | 21 | 0 |
| 1979 | 13 | 0 |
| 1980 | 6 | 0 |
| 1981 | 17 | 0 |
| 1982 | 22 | 0 |
| 1983 | 16 | 0 |
| 1984 | 12 | 0 |
| 1985 | 12 | 0 |
| 1986 | 12 | 0 |
| 1987 | 17 | 0 |
| 1988 | 7 | 0 |
| 1989 | 15 | 0 |
| 1990 | 9 | 0 |
| 1991 | 8 | 0 |
| 1992 | 15 | 0 |
| 1993 | 17 | 0 |
| 1994 | 11 | 0 |
| 1995 | 15 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 18 | 0 |
| 1999 | 19 | 0 |
| 2000 | 16 | 0 |
| 2001 | 11 | 2 |
| 2002 | 9 | 4 |
| 2003 | 3 | 7 |
| 2004 | 8 | 10 |
| 2005 | 4 | 15 |
| 2006 | 9 | 14 |
| 2007 | 11 | 14 |
| 2008 | 5 | 16 |
| 2009 | 13 | 10 |
| 2010 | 10 | 16 |
| 2011 | 9 | 18 |
| 2012 | 9 | 9 |
| 2013 | 7 | 17 |
| 2014 | 12 | 15 |
| 2015 | 8 | 26 |
| 2016 | 11 | 22 |
| 2017 | 16 | 21 |
| 2018 | 18 | 15 |
| 2019 | 23 | 18 |
| 2020 | 17 | 17 |
| 2021 | 14 | 7 |
| 2022 | 12 | 14 |
| 2023 | 3 | 11 |
| 2024 | 11 | 9 |
| 2025 | 10 | 13 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Composite material for electrical contacts and method of producing same22 Sep 2026US 12,744,166 B2Applied Carbon Nano Technology Co., Ltd
- Contact for a vacuum interrupter and production method for such a contact19 May 2026US 12,633,469 B2Siemens Aktiengesellschaft
- Ag-plated material, method for producing Ag-plated material, and electrical component16 Dec 2025US 12,497,707 B2Dowa Metaltech Co., Ltd.
- Mechanism for electrical device16 Dec 2025US 12,500,046 B2ABB AB
- Silver electrolyte for depositing dispersion silver layers and contact surfaces with dispersion silver layers25 Nov 2025US 12,480,220 B2Dr.-Ing. Max Schlotter GmbH & Co. KG
- Electrical Contact with Multilayer Coating20 Aug 2026US 2026/0245808 A1ABB Schweiz AG
- Electrical contact conductor25 Jun 2026US 2026/0182354 A1Zhejiang Chint Electrics Co., Ltd.
- Composite material, terminal and method for manufacturing terminal9 Apr 2026US 2026/0098354 A1Dowa Metaltech Co., Ltd.
- Relay25 Dec 2025US 2025/0391622 A1Fcl Components Limited
- Dry Mechanism with Multilayer Coating20 Nov 2025US 2025/0357056 A1ABB Schweiz AG
Most cited
By later US patents
- Direct current load breaking contact point constitution and switching mechanism therewith201US 6,934,134 B2OMRON Corporation · 2005
- Electronic pressure sensitive force transducer140US 4,489,302 A1984
- Bounceless switch apparatus131US 4,315,238 A1982
- Electronic pressure sensitive transducer apparatus125US 4,314,227 A1982
- Nanotube-based switching elements with multiple controls122US 6,990,009 B2Nantero, Inc. · 2006